<template>
  <div id="app">
    <router-view></router-view>
    <foot v-if="$route.meta.keepAlive!=false"></foot>
  </div>
</template>

<script>
import Foot from "@/components/Foot";
export default {
  components: { Foot },
  name: "App",

  provide() {
    //父组件中通过provide来提供变量，在子组件中通过inject来注入变量。
    return {
      reload: this.reload,
    };
  },
  data() {
    return {
      isRouterAlive: true, //控制视图是否显示的变量
    };
  },
  methods: {
    reload() {
      this.isRouterAlive = false; //先关闭，
      this.$nextTick(function () {
        this.isRouterAlive = true; //再打开
      });
    },
  },
  created() {
    let user = JSON.parse(sessionStorage.getItem("user"));
    if (user) {
      this.$store.commit("setuser", user);
    }
  },
};
</script>

<style>
#app{
  height: 100%;
}
</style>
